Earth and Sun

Student Book

Focus Questions
Investigation 1
How and why does your shadow change during the day?
What can be learned by studying the length and direction of shadows?
What causes day and night?

Investigation 2
How can you explain why we see some natural objects only in the night sky, some only in the day sky, and some at both times?
How wold you describe the size of and distance between Earth, the Moon, and the Sun?
How does the shape of the Moon change over 4 weeks?

Investigation 3
What is air?
What is Earth's atmosphere?
How do Meteorologists measure and record weather variables?

Investigation 4
What happens to earth materials when they are exposed to sunlight?
How does energy transfer to the air?
What happens when a volume of fluid is warmed at the bottom?
What is the best design for solar water heater?

Investigation 5
What causes condensation to form?
How does water vapor get into the air?
What is the water cycle?
What is the difference between weather and climate?